666  
CDUS45 KRIW 130747  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1247 AM MST TUE DEC 13 2022  
   
...............................  
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR DECEMBER 12 2022  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1995 TO 2022  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 33 12:04 AM 53 1995 31 2 48  
MINIMUM 16 11:59 PM -10 2007 9 7 19  
AVERAGE 25 20 5 34  
 
PRECIPITATION (IN)  
YESTERDAY 0.30R 0.01 0.01 0.29 0.00  
MONTH TO DATE 0.30 0.11 0.19 0.01  
SINCE DEC 1 0.30 0.11 0.19 0.01  
SINCE JAN 1 9.07 8.41 0.66 8.79  
 
SNOWFALL (IN)  
YESTERDAY 3.5 R 0.3 2020 0.0  
MONTH TO DATE 3.5 0.3  
SINCE DEC 1 3.5 0.3  
SINCE JUL 1 14.4 3.1  
SNOW DEPTH 2  
 
DEGREE DAYS  
HEATING  
YESTERDAY 40 45 -5 31  
MONTH TO DATE 530 523 7 355  
SINCE DEC 1 530 523 7 355  
SINCE JUL 1 2343 2420 -77 1845  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 703 499 204 707    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 9.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
SNOW  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 2:00 PM  
LOWEST 69 12:00 AM  
AVERAGE 83  
   
......................................................  
 
THE RIVERTON WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 55 2010  
MINIMUM TEMPERATURE (F) 8 -7 2000  
 
SUNRISE AND SUNSET  
DECEMBER 13 2022......SUNRISE 7:37 AM MST SUNSET 4:39 PM MST  
DECEMBER 14 2022......SUNRISE 7:38 AM MST SUNSET 4:39 PM MST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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